Cancer
What is cancer?
What
are the signs and symptoms of cancer?
How is cancer
treated?
Can cancer
be prevented?
Also
See:
Breast Cancer
Cervical Cancer
Endometrial Cancer
Ovarian Cancer
Uterine Cancer
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What
is cancer?
Cancer is a group of more than 100
different diseases. Cancer occurs when cells become abnormal and keep
dividing and forming more cells without order or control. All organs of
the body are made up of cells. Normally, cells divide to produce more
cells only when the body needs them. If cells divide when new ones are not
needed, they form a mass of excess tissue called a tumor. Tumors can be
benign (not cancer) or malignant (cancer). The cells in malignant tumors
can invade and damage nearby tissues and organs. Cancer cells can also
break away from a malignant tumor and travel through the bloodstream or
the lymphatic system to form new tumors in other parts of the body. The
spread of cancer is called metastasis.
What are the signs and
symptoms of cancer?
Cancer often causes symptoms that you can watch for. The word "caution"
can remind you of the most common warning signs of cancer:
-
Change in bowel or bladder habits
-
A sore that does not heal\
-
Unusual bleeding or discharge
-
Thickening or lump in the breast or any
other part of the body
-
Indigestion or difficulty swallowing
-
Obvious change in a wart or mole, or
-
Nagging cough or hoarseness
These symptoms are not always warning signs
of cancer. They can also be caused by less serious conditions. It is
important to see a doctor if you have any of these symptoms. Only a doctor
can make a diagnosis. Don’t wait to feel pain: Early cancer usually does
not cause pain. A biopsy is the only sure way to know whether a medical
problem is cancer. In a biopsy, the doctor removes a sample of tissue. The
tissue is examined under a microscope to check for cancer cells.
How is cancer treated?
Cancer is treated with
surgery, radiation therapy, chemotherapy, hormone therapy, or biological
therapy. The doctor may use one method or a combination of methods. The
choice of treatment depends on the type and location of the cancer,
whether the disease has spread, the patient’s age and general health, and
other factors. Many cancer patients take part in clinical trials (research
studies) testing new treatment methods. Such studies are designed to
improve cancer treatment.
Can cancer be prevented?
Many cases of cancer can be
prevented by not using tobacco products, avoiding the harmful rays of the
sun, and choosing foods with less fat and more fiber. In addition, regular
checkups and self-exams can reveal cancer at an early stage when treatment
is likely to be effective.
from
The Office On Women's Health - US Department of Health and Human Services
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